From b7962fb45f8fe0678b2d2eaa48382ea32fcf9400 Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Wed, 15 Jan 2020 07:25:40 -0600 Subject: [PATCH] usb: musb/ux500: Use dma_request_chan() instead dma_request_slave_channel() dma_request_slave_channel() is a wrapper on top of dma_request_chan() eating up the error code. Signed-off-by: Peter Ujfalusi Signed-off-by: Bin Liu Link: https://lore.kernel.org/r/20200115132547.364-19-b-liu@ti.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/musb/ux500_dma.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/musb/ux500_dma.c b/drivers/usb/musb/ux500_dma.c index d19bb3e89da6..d5cf5e8bb1ca 100644 --- a/drivers/usb/musb/ux500_dma.c +++ b/drivers/usb/musb/ux500_dma.c @@ -310,9 +310,9 @@ static int ux500_dma_controller_start(struct ux500_dma_controller *controller) dma_channel->max_len = SZ_16M; ux500_channel->dma_chan = - dma_request_slave_channel(dev, chan_names[ch_num]); + dma_request_chan(dev, chan_names[ch_num]); - if (!ux500_channel->dma_chan) + if (IS_ERR(ux500_channel->dma_chan)) ux500_channel->dma_chan = dma_request_channel(mask, data ?